243 lines
8.1 KiB
Plaintext
243 lines
8.1 KiB
Plaintext
# The include statement below is a temp one for tests that are yet to
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#be ported to run with InnoDB,
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#but needs to be kept for tests that would need MyISAM in future.
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--source include/force_myisam_default.inc
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#
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# Tests for various concurrency-related aspects of ALTER TABLE implemetation
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#
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# This test takes rather long time so let us run it only in --big-test mode
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--source include/big_test.inc
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# We are using some debug-only features in this test
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--source include/have_debug.inc
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# Also we are using SBR to check that statements are executed
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# in proper order.
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--source include/force_binlog_format_statement.inc
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#
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# Test for Bug#25044 ALTER TABLE ... ENABLE KEYS acquires global
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# 'opening tables' lock
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#
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# ALTER TABLE ... ENABLE KEYS should not acquire LOCK_open mutex for
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# the whole its duration as it prevents other queries from execution.
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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set debug_sync='RESET';
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connect (addconroot, localhost, root,,);
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connect (addconroot2, localhost, root,,);
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connection default;
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create table t1 (n1 int, n2 int, n3 int,
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key (n1, n2, n3),
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key (n2, n3, n1),
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key (n3, n1, n2));
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create table t2 (i int);
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alter table t1 disable keys;
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insert into t1 values (1, 2, 3);
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# Later we use binlog to check the order in which statements are
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# executed so let us reset it first.
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reset master;
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set debug_sync='alter_table_enable_indexes SIGNAL parked WAIT_FOR go';
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--send alter table t1 enable keys;
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connection addconroot;
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# Wait until ALTER TABLE acquires metadata lock.
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set debug_sync='now WAIT_FOR parked';
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# This statement should not be blocked by in-flight ALTER and therefore
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# should be executed and written to binlog before ALTER TABLE ... ENABLE KEYS
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# finishes.
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insert into t2 values (1);
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# And this should wait until the end of ALTER TABLE ... ENABLE KEYS.
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--send insert into t1 values (1, 1, 1);
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connection addconroot2;
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# Wait until the above INSERT INTO t1 is blocked due to ALTER
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "insert into t1 values (1, 1, 1)";
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--source include/wait_condition.inc
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# Resume ALTER execution.
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set debug_sync='now SIGNAL go';
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connection default;
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--reap
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connection addconroot;
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--reap
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connection default;
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# Check that statements were executed/binlogged in correct order.
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source include/show_binlog_events.inc;
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# Clean up
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drop tables t1, t2;
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disconnect addconroot;
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disconnect addconroot2;
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set debug_sync='RESET';
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--echo End of 5.0 tests
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#
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# Additional coverage for the main ALTER TABLE case
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#
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# We should be sure that table being altered is properly
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# locked during statement execution and in particular that
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# no DDL or DML statement can sneak in and get access to
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# the table when real operation has already taken place
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# but this fact has not been noted in binary log yet.
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--disable_warnings
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drop table if exists t1, t2, t3;
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--enable_warnings
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connect (addconroot, localhost, root,,);
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connect (addconroot2, localhost, root,,);
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connection default;
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create table t1 (i int);
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# We are going to check that statements are logged in correct order
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reset master;
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set debug_sync='alter_table_before_main_binlog SIGNAL parked WAIT_FOR go';
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--send alter table t1 change i c char(10) default 'Test1';
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connection addconroot;
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# Wait until ALTER TABLE acquires metadata lock.
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set debug_sync='now WAIT_FOR parked';
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--send insert into t1 values ();
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connection addconroot2;
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# Wait until the above INSERT INTO t1 is blocked due to ALTER
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "insert into t1 values ()";
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--source include/wait_condition.inc
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# Resume ALTER execution.
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set debug_sync='now SIGNAL go';
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connection default;
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--reap
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connection addconroot;
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--reap
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connection default;
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select * from t1;
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set debug_sync='alter_table_before_main_binlog SIGNAL parked WAIT_FOR go';
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--send alter table t1 change c vc varchar(100) default 'Test2';
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connection addconroot;
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# Wait until ALTER TABLE acquires metadata lock.
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set debug_sync='now WAIT_FOR parked';
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--send rename table t1 to t2;
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connection addconroot2;
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# Wait until the above RENAME TABLE is blocked due to ALTER
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "rename table t1 to t2";
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--source include/wait_condition.inc
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# Resume ALTER execution.
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set debug_sync='now SIGNAL go';
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connection default;
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--reap
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connection addconroot;
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--reap
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connection default;
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drop table t2;
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# And now tests for ALTER TABLE with RENAME clause. In this
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# case target table name should be properly locked as well.
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create table t1 (i int);
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set debug_sync='alter_table_before_main_binlog SIGNAL parked WAIT_FOR go';
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--send alter table t1 change i c char(10) default 'Test3', rename to t2;
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connection addconroot;
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# Wait until ALTER TABLE acquires metadata lock.
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set debug_sync='now WAIT_FOR parked';
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--send insert into t2 values();
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connection addconroot2;
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# Wait until the above INSERT INTO t2 is blocked due to ALTER
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table metadata lock" and
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info = "insert into t2 values()";
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--source include/wait_condition.inc
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# Resume ALTER execution.
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set debug_sync='now SIGNAL go';
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connection default;
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--reap
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connection addconroot;
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--reap
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connection default;
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select * from t2;
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--send alter table t2 change c vc varchar(100) default 'Test2', rename to t1;
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connection addconroot;
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connection default;
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--reap
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rename table t1 to t3;
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disconnect addconroot;
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disconnect addconroot2;
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drop table t3;
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set debug_sync='alter_table_before_main_binlog SIGNAL parked WAIT_FOR go';
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set debug_sync='RESET';
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# Check that all statements were logged in correct order
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source include/show_binlog_events.inc;
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--echo End of 5.1 tests
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--source include/restore_default_binlog_format.inc
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--echo #
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--echo # BUG#29375764: SIMPLE ALTER CAUSE UNNECESSARY INNODB INDEX REBUILDS,
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--echo # 5.7.23 OR LATER 5.7 RLSES
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--echo #
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############################################################################
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# In 5.7.22:
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# CREATE DATABASE my_db;
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# CREATE TABLE my_db.t1(i INT PRIMARY KEY, v VARCHAR(9), KEY (v));
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#
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# DATADIR NAME: data_50722
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# zip -r data_50722.zip data_50722
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############################################################################
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--echo # Copy the zipped 5.7.22 data directory and unzip it.
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--copy_file $MYSQLTEST_VARDIR/std_data/data_50722.zip $MYSQL_TMP_DIR/data_50722.zip
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--file_exists $MYSQL_TMP_DIR/data_50722.zip
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--exec unzip -qo $MYSQL_TMP_DIR/data_50722.zip -d $MYSQL_TMP_DIR
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let $DATADIR_50722 = $MYSQL_TMP_DIR/data_50722;
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let $MYSQLD_LOG = $MYSQL_TMP_DIR/data_50722/my_err.log;
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# SHUTDOWN
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--source include/shutdown_mysqld.inc
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--echo # Restart the server with the 5.7.22 data directory.
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--exec echo "restart: --datadir=$DATADIR_50722 --log-error=$MYSQLD_LOG --innodb_undo_tablespaces=0" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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--echo # UPGRADE
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--exec $MYSQL_UPGRADE --skip-verbose --force 2>&1
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SET DEBUG="+d, assert_index_def_has_no_pack_flag";
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--echo # Without the patch, an assert is triggered, indicating that index definitions
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--echo # have changed that would result in a index rebuild.
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ALTER TABLE my_db.t1 COMMENT "No index rebuild necessary";
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--echo # CLEANUP
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DROP TABLE my_db.t1;
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DROP DATABASE my_db;
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# SHUTDOWN
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--source include/shutdown_mysqld.inc
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--echo # Remove copied files and directories.
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--remove_file $MYSQL_TMP_DIR/data_50722.zip
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--remove_files_wildcard $DATADIR_50722/sys *
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--remove_files_wildcard $DATADIR_50722/mysql *
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--remove_files_wildcard $DATADIR_50722/performance_schema *
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--remove_files_wildcard $DATADIR_50722/test *
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--remove_files_wildcard $DATADIR_50722 *
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--rmdir $DATADIR_50722/sys
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--rmdir $DATADIR_50722/mysql
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--rmdir $DATADIR_50722/performance_schema
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--rmdir $DATADIR_50722/test
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--rmdir $DATADIR_50722
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--echo # Restart server with default options.
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--exec echo "restart:" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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